RL
Robert Lucas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lowndes-County, Georgia
Our Model Tree links this Robert Lucas across the 1930 and 1940 US Censuses in Lowndes-County, Georgia (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 14-person household.
Age 18
b. ~1922
Male
Son
Born: Georgia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lowndes-County, Georgia |
| Surname | Lucas |
| Given Name | Robert Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | District 1267 (Naylor) |
| 1935 Residence (County) | Lowndes |
| Additional Details | |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Township / Ward | District 1267 Naylor |
| Est. Birth Year | ~1922 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Ivory Lucas | Son | — | 8 | ~1932 |
| Onnie Lucas | Son | — | 4 | ~1936 |
| Ora Lucas | Daughter | — | 16 | ~1924 |
| Tally Lucas | Son | — | 14 | ~1926 |
| Obediah Lucas | Son | — | 11 | ~1929 |
| Luther Lucas | Son | — | 10 | ~1930 |
| Essie Lucas | Spouse | — | 40 | ~1900 |
| Edward Lucas | Son | — | 15 | ~1925 |
| Curtis Lucas | Son | — | 2 | ~1938 |
| Robert Lucas | Head | — | 65 | ~1875 |
| Odella Lucas | Daughter | — | 19 | ~1921 |
| Robert Lucas | Son | — | 18 | ~1922 |
| Lawrence Lucas | Son | — | 6 | ~1934 |
| Clifford Lucas | Son | — | ~1940 |
Census Appearances
1930
Lowndes, Georgia
Son, age 8
Lowndes, Georgia · implied b. ~1922 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lucas |
| Given Name | Robert J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Lowndes-County, Georgia
Son, age 18
Lowndes-County, Georgia · implied b. ~1922 — 14 household members
| Surname | Lucas |
| Given Name | Robert Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | District 1267 (Naylor) |
| 1935 Residence (County) | Lowndes |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Robert Lucas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Lucas
Son · 1940 · age 18 · b. ~1922 · Georgia
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Sibling
Edward Lucas
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Odella Lucas
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Obediah Lucas
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tally Lucas
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Onnie Lucas
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ivory Lucas
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Lucas
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ora Lucas
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Lucas
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Luther Lucas
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Curtis Lucas
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lowndes-County, Georgia
Open full size
1940 US Federal Census — Lowndes-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00691-00698)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas O. Kelley | 33 | Head | Share Cropper | Georgia |
| 2 | Odessa Kelley | 33 | Wife | — | Georgia |
| 3 | Jack Kelley | 13 | Son | — | Georgia |
| 4 | Raymond Kelley | 10 | Son | — | Georgia |
| 5 | Charley B. Jones | 48 | Head | Farm Laborer | Georgia |
| 6 | Rosa Jones | 42 | Wife | — | Georgia |
| 7 | Eddie Jones | 21 | Son | Day Laborer | Georgia |
| 8 | Charley M. Jones | 14 | Daughter | — | Georgia |
| 9 | Trudie Jones | 12 | Daughter | — | Georgia |
| 10 | Agnes Jones | 11 | Daughter | — | Georgia |
| 11 | Lois Jones | 8 | Son | — | Georgia |
| 12 | Gladys Jones | 7 | Daughter | — | Georgia |
| 13 | Isaiah Jones | 5 | Son | — | Georgia |
| 14 | Iona Jones | 3 | Daughter | — | Georgia |
| 15 | Audrey Jones | 1 | Daughter | — | Georgia |
| 16 | Robert Lucas | 65 | Head | Farmer | Georgia |
| 17 | Essie Mae Lucas | 40 | Wife | — | Georgia |
| 18 | Odella (A) Lucas | 19 | Daughter | — | Georgia |
| 19 | Robert Jr. Lucas THIS PERSON | 18 | Son | — | Georgia |
| 20 | Ora Bell Lucas | 16 | Daughter | — | Georgia |
| 21 | Edward Lucas | 15 | Son | — | Georgia |
| 22 | Tally Lucas | 14 | Son | — | Georgia |
| 23 | Obediah Lucas | 11 | Son | — | Georgia |
| 24 | Luther O. Lucas | 10 | Son | — | Georgia |
| 25 | Ivory Lucas | 8 | Son | — | Georgia |
| 26 | Lawrence Lucas | 6 | Son | — | Georgia |
| 27 | Onnie Lucas | 4 | Son | — | Georgia |
| 28 | Curtis Lucas | 2 | Son | — | Georgia |
| 29 | Clifford Lucas | 0 | Son | — | Georgia |
| 30 | Jody Wright | 52 | Head | Farmer | Georgia |
| 31 | Mandy Wright | 31 | Wife | — | Georgia |
| 32 | Philip Wright | 19 | Son | — | Georgia |
| 33 | Hattie M. Wright | 7 | Daughter | — | Georgia |
| 34 | Jody Jr. Wright | 5 | Son | — | Georgia |
| 35 | Claudia M. Wright | 3 | Daughter | — | Georgia |
| 36 | Christina Wright | 1 | Daughter | — | Georgia |
| 37 | Henry Brown | 40 | Head | Farmer | Georgia |
| 38 | Lila Brown | 30 | Wife | — | Georgia |
| 39 | Eula Lee Brown | 10 | Daughter | — | Georgia |
| 40 | Imogene Brown | 8 | Daughter | — | Georgia |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)